12071244 has 12 divisors (see below), whose sum is σ = 28166264. Its totient is φ = 4023744.

The previous prime is 12071243. The next prime is 12071249. The reversal of 12071244 is 44217021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12071244.

It is not an unprimeable number, because it can be changed into a prime (12071243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502957 + ... + 502980.

Almost surely, 2^12071244 is an apocalyptic number.

It is an amenable number.

12071244 is an abundant number, since it is smaller than the sum of its proper divisors (16095020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12071244 is a wasteful number, since it uses less digits than its factorization.

12071244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005944 (or 1005942 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 12071244 is about 3474.3695831043. The cubic root of 12071244 is about 229.3950327125.

Adding to 12071244 its reverse (44217021), we get a palindrome (56288265).

The spelling of 12071244 in words is "twelve million, seventy-one thousand, two hundred forty-four".